High-Gradient Electron Accelerator Powered by a Relativistic Klystron

Allen, M. A.; Boyd, J.K.; Callin, R.S.; Deryuter, H.; Eppley, K.; Fant, K.; Fowkes, W.R.; Haimson, J.; Hoag, H.A.; Hopkins, D.B.; Houck, T.; Koontz, R. F.; Lavine, T. L.; Loew, G.A.; Mecklenburg, B.; Miller, R.H.; Ruth, R.; Ryne, Robert D.; Sessler, Andrew M.; Vlieks, A.E.; Wang, J. W.; Westenskow, G.A.; Yu, S.S.

doi:10.1103/physrevlett.64.2337

Cited by 4 publications

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“…This is again a fairly efficient scheme for driving current non-inductively in a plasma. Finally, a scheme related in both physics and technology to the above ideas uses an induction linac to generate intense beam pulses of a few MeV for a relativistic klystron 10 . Intense electromagnetic waves in the 10 GHz range can be produced.…”

Section: Pyhsics Applicationsmentioning

confidence: 99%

Microwave free-electron laser applications for electron cyclotron heating of plasmas

Thomassen

1990

SPIE Proceedings

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Section: Pyhsics Applicationsmentioning

confidence: 99%

Microwave free-electron laser applications for electron cyclotron heating of plasmas

Thomassen

1990

SPIE Proceedings

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“…Other long pulse approaches include the Magnicon, 4 CARM 5 and gyroklystron. 6 High energy short-pulse candidates include relativistic klystrons, 7 intense beam traveling-wave tubes 8 and free electron lasers. 9 At the University of Maryland, we have been exploring the suitability of gyroklystrons and gyrotwystrons as drivers for high gradient linear accelerator structures.…”

Section: Introductionmentioning

confidence: 99%

Design of a high-power, high-gain, 2nd harmonic, 22.848 GHz gyroklystron

2013

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In this paper we consider the design of a four-cavity, high-gain K-band gyroklystron experiment for high gradient structure testing. The frequency doubling gyroklystron utilizes a beam voltage of 500 kV and a beam current of 200 A from a magnetron injection gun (MIG) originally designed for a lower-frequency device. The microwave circuit features input and gain cavities in the circular TE011 mode and penultimate and output cavities that operate at the second harmonic in the TE021 mode. We investigate the MIG performance and study the behavior of the circuit for different values of perpendicular to parallel velocity ratio (α = V⊥ / Vz). This microwave tube is expected to be able to produce at least 20 MW of power in 1μs pulses at a repetition rate of at least 120 Hz. A maximum efficiency of 26% and a large signal gain of 58 dB under zero-drive stable conditions were simulated for a velocity ratio equal to 1.35

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“…Early development work [3] with SLAC and LBL on the relativistic klystron was done with a 1 MeV electron beam using velocity modulation. This work ________________________________________ Fig.…”

Section: Introductionmentioning

confidence: 99%

Relativistic klystron two-beam accelerator

Westenskow

Houck

1994

IEEE Trans. Plasma Sci.

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Relativistic klystrons are being developed as an rf power source for high gradient accelerators applications which include large linear electronpositron colliders, compact accelerators, and FEL sources. In a relativistic klystron two-beam accelerator (RK-TBA), the drive beam passes through a large number of rf output structures. High conversion efficiency of electron beam energy to rf energy can be achieved in two-beam accelerators using reacceleration of the bunched drive beam. We have conducted experiments which studied rf power extraction in an RK-TBA and have prepared a demonstration in which a modulated beam's energy is boosted as it passes through induction accelerator cells.

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High-Gradient Electron Accelerator Powered by a Relativistic Klystron

Abstract: On p. 2472, the first sentence of the third paragraph reads that the pulse length of the conventional high-power klystrons that power the Stanford Linear Collider is 35 //sec. This should read that the correct pulse length is 3.5 jusec.

Cited by 4 publications

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Microwave free-electron laser applications for electron cyclotron heating of plasmas

Microwave free-electron laser applications for electron cyclotron heating of plasmas

Design of a high-power, high-gain, 2nd harmonic, 22.848 GHz gyroklystron

Relativistic klystron two-beam accelerator

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